Buggy code:
public class GeoPackageCore { public GeoPackageCore ( final Connection databaseConnection ) throws SQLException { } public GeoPackageCore ( final Connection databaseConnection , final boolean createDefaults ) throws SQLException { } public Collection < FailedRequirement > getFailedRequirements ( final File file ) { } public long getRowCount ( final Content content ) throws SQLException { } public SpatialReferenceSystem addSpatialReferenceSystem ( final String name , final int identifier , final String organization , final int organizationSrsId , final String definition , final String description ) throws SQLException { } public SpatialReferenceSystem getSpatialReferenceSystem ( final String organization , final int organizationSrsId ) throws SQLException { } public SpatialReferenceSystem getSpatialReferenceSystem ( final int identifier ) throws SQLException { } public Content addContent ( final String tableName , final String dataType , final String identifier , final String description , final BoundingBox boundingBox , final SpatialReferenceSystem spatialReferenceSystem ) throws SQLException { if ( ( tableName == null ) || ( tableName . isEmpty ( ) ) ) { throw new IllegalArgumentException ( "Tile<seq2seq4repair_space>set<seq2seq4repair_space>name<seq2seq4repair_space>may<seq2seq4repair_space>not<seq2seq4repair_space>be<seq2seq4repair_space>null" ) ; } if ( ! ( tableName . matches ( "^[_a-zA-Z]\\w*" ) ) ) { throw new IllegalArgumentException ( "The<seq2seq4repair_space>tile<seq2seq4repair_space>set's<seq2seq4repair_space>name<seq2seq4repair_space>must<seq2seq4repair_space>begin<seq2seq4repair_space>with<seq2seq4repair_space>a<seq2seq4repair_space>letter<seq2seq4repair_space>(A..Z,<seq2seq4repair_space>a..z)<seq2seq4repair_space>or<seq2seq4repair_space>an<seq2seq4repair_space>underscore<seq2seq4repair_space>(_)<seq2seq4repair_space>and<seq2seq4repair_space>may<seq2seq4repair_space>only<seq2seq4repair_space>be<seq2seq4repair_space>followed<seq2seq4repair_space>by<seq2seq4repair_space>letters,<seq2seq4repair_space>underscores,<seq2seq4repair_space>or<seq2seq4repair_space>numbers" ) ; } if ( tableName . startsWith ( "gpkg_" ) ) { throw new IllegalArgumentException ( "The<seq2seq4repair_space>tile<seq2seq4repair_space>set's<seq2seq4repair_space>name<seq2seq4repair_space>may<seq2seq4repair_space>not<seq2seq4repair_space>start<seq2seq4repair_space>with<seq2seq4repair_space>the<seq2seq4repair_space>reserved<seq2seq4repair_space>prefix<seq2seq4repair_space>'gpkg_'" ) ; } if ( ( dataType == null ) || ( dataType . isEmpty ( ) ) ) { throw new IllegalArgumentException ( "Data<seq2seq4repair_space>type<seq2seq4repair_space>cannot<seq2seq4repair_space>be<seq2seq4repair_space>null,<seq2seq4repair_space>or<seq2seq4repair_space>empty." ) ; } if ( boundingBox == null ) { <START_BUG> throw new IllegalArgumentException ( "Bounding<seq2seq4repair_space>box<seq2seq4repair_space>cannot<seq2seq4repair_space>be<seq2seq4repair_space>mull." ) ; <END_BUG> } final Content existingContent = this . getContent ( tableName ) ; if ( existingContent != null ) { if ( ! ( existingContent . equals ( tableName , dataType , identifier , description , boundingBox , spatialReferenceSystem ) ) ) { throw new IllegalArgumentException ( "A<seq2seq4repair_space>content<seq2seq4repair_space>with<seq2seq4repair_space>this<seq2seq4repair_space>table<seq2seq4repair_space>name<seq2seq4repair_space>or<seq2seq4repair_space>identifier<seq2seq4repair_space>already<seq2seq4repair_space>exists<seq2seq4repair_space>but<seq2seq4repair_space>with<seq2seq4repair_space>different<seq2seq4repair_space>properties" ) ; } return existingContent ; } final String insertContent = String . format ( "INSERT<seq2seq4repair_space>INTO<seq2seq4repair_space>%s<seq2seq4repair_space>(%s,<seq2seq4repair_space>%s,<seq2seq4repair_space>%s,<seq2seq4repair_space>%s,<seq2seq4repair_space>%s,<seq2seq4repair_space>%s,<seq2seq4repair_space>%s,<seq2seq4repair_space>%s,<seq2seq4repair_space>%s)<seq2seq4repair_space>VALUES<seq2seq4repair_space>(?,<seq2seq4repair_space>?,<seq2seq4repair_space>?,<seq2seq4repair_space>?,<seq2seq4repair_space>?,<seq2seq4repair_space>?,<seq2seq4repair_space>?,<seq2seq4repair_space>?,<seq2seq4repair_space>?)" , GeoPackageCore . ContentsTableName , "table_name" , "data_type" , "identifier" , "description" , "min_x" , "min_y" , "max_x" , "max_y" , "srs_id" ) ; try ( PreparedStatement preparedStatement = this . databaseConnection . prepareStatement ( insertContent ) ) { final Integer srsId = ( spatialReferenceSystem == null ) ? null : spatialReferenceSystem . getIdentifier ( ) ; preparedStatement . setString ( 1 , tableName ) ; preparedStatement . setString ( 2 , dataType ) ; preparedStatement . setString ( 3 , identifier ) ; preparedStatement . setString ( 4 , description ) ; preparedStatement . setObject ( 5 , boundingBox . getMinX ( ) , Types . DOUBLE ) ; preparedStatement . setObject ( 6 , boundingBox . getMinY ( ) , Types . DOUBLE ) ; preparedStatement . setObject ( 7 , boundingBox . getMaxX ( ) , Types . DOUBLE ) ; preparedStatement . setObject ( 8 , boundingBox . getMaxY ( ) , Types . DOUBLE ) ; preparedStatement . setObject ( 9 , srsId , Types . INTEGER ) ; preparedStatement . executeUpdate ( ) ; } return this . getContent ( tableName ) ; } public < T extends Content > Collection < T > getContent ( final String dataType , final ContentFactory < T > contentFactory , final SpatialReferenceSystem matchingSpatialReferenceSystem ) throws SQLException { } public < T extends Content > T getContent ( final String tableName , final ContentFactory < T > contentFactory ) throws SQLException { } private SpatialReferenceSystem addSpatialReferenceSystemNoCommit ( final String name , final int identifier , final String organization , final int organizationSrsId , final String definition , final String description ) throws SQLException { } protected void createDefaultTables ( ) throws SQLException { } @ SuppressWarnings ( "static-method" ) protected String getSpatialReferenceSystemCreationSql ( ) { } @ SuppressWarnings ( "static-method" ) protected String getContentsCreationSql ( ) { } private Content getContent ( final String tableName ) throws SQLException { } private final Connection databaseConnection ; public static final SimpleDateFormat DateFormat = new SimpleDateFormat ( "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'" ) ; public static final String SpatialRefSysTableName = "gpkg_spatial_ref_sys" ; public static final String ContentsTableName = "gpkg_contents" ; }

Fix:
throw new IllegalArgumentException ( "Bounding<seq2seq4repair_space>box<seq2seq4repair_space>cannot<seq2seq4repair_space>be<seq2seq4repair_space>null." ) ;